1
22
23 package com.liferay.taglib.ui;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.MethodInvoker;
28 import com.liferay.portal.kernel.util.MethodWrapper;
29 import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
30 import com.liferay.portal.kernel.util.StringPool;
31 import com.liferay.taglib.util.IncludeTag;
32
33 import javax.servlet.jsp.JspException;
34 import javax.servlet.jsp.PageContext;
35
36
41 public class WriteTag extends IncludeTag {
42
43 public static String doTag(
44 Object bean, String property, PageContext pageContext)
45 throws Exception {
46
47 return doTag(_PAGE, bean, property, pageContext);
48 }
49
50 public static String doTag(
51 String page, Object bean, String property, PageContext pageContext)
52 throws Exception {
53
54 Object returnObj = null;
55
56 Thread currentThread = Thread.currentThread();
57
58 ClassLoader contextClassLoader = currentThread.getContextClassLoader();
59
60 try {
61 currentThread.setContextClassLoader(
62 PortalClassLoaderUtil.getClassLoader());
63
64 MethodWrapper methodWrapper = new MethodWrapper(
65 _TAG_CLASS, _TAG_DO_END_METHOD,
66 new Object[] {page, bean, property, pageContext});
67
68 returnObj = MethodInvoker.invoke(methodWrapper);
69 }
70 catch (Exception e) {
71 _log.error(e, e);
72 }
73 finally {
74 currentThread.setContextClassLoader(contextClassLoader);
75 }
76
77 if (returnObj != null) {
78 return returnObj.toString();
79 }
80 else {
81 return StringPool.BLANK;
82 }
83 }
84
85 public int doEndTag() throws JspException {
86 try {
87 doTag(getPage(), _bean, _property, pageContext);
88 }
89 catch (Exception e) {
90 if (e instanceof JspException) {
91 throw (JspException)e;
92 }
93 else {
94 throw new JspException(e);
95 }
96 }
97
98 return EVAL_PAGE;
99 }
100
101 public void setBean(Object bean) {
102 _bean = bean;
103 }
104
105 public void setProperty(String property) {
106 _property = property;
107 }
108
109 protected String getDefaultPage() {
110 return _PAGE;
111 }
112
113 private static final String _TAG_CLASS =
114 "com.liferay.portal.servlet.taglib.ui.WriteTagUtil";
115
116 private static final String _TAG_DO_END_METHOD = "doEndTag";
117
118 private static final String _PAGE = "/html/taglib/ui/write/page.jsp";
119
120 private static Log _log = LogFactoryUtil.getLog(WriteTag.class);
121
122 private Object _bean;
123 private String _property;
124
125 }